Combined series and parallel servo control for aircraft

Details Combined series and parallel servo control for aircraft Combined series and parallel servo control for aircraft

1982-06-28

1985-01-08

Truhe, J. V.

Electricity: motive power systems

Positional servo systems

Vehicular guidance systems with single axis control

318111, 318626, G05D 108

Patent

active

044929072

ABSTRACT:
A flight control system increases the automatic control authority over, preferably, a helicopter yaw axis. A limited authority series servo is complemented with a full authority parallel servo. The parallel servo is driven by a combination of a trim command signal and a signal representing the excess of the yaw command signal over the amplitude limited drive signal to the series servo.

REFERENCES:
patent: 2751540 (1956-06-01), Lower
patent: 3123324 (1964-03-01), Hammell
patent: 4345195 (1982-08-01), Griffith

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